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TYPICAL
SPECIFICATIONS:
Approved chainwheel operators shall be manufactured by
Babbitt Steam Specialty Co. and shall include chainwheel and chain guide for
___ inch diameter valve handwheel. Chainwheel shall be made of (cast
iron/ductile iron/aluminum/bronze). Rim shall contain as an integral part of
the casting a groove into which the chain guide attaches. Chain guides shall be
made of (ductile iron/aluminum/bronze). Chainwheels shall be adjustable an
detachable, furnished complete with (steel/stainless steel) attachment sets for
attachment of chainwheel to valve handwheel. Units shall be coated with (black
enamel, galvanizing, "Teflon"*, epoxy or ____________ ) to meet manufacturer's
specifications.
Operators shall also be furnished with ____ feet of
lock-link (hot dipped galvanized/spark-resistant brass/stainless steel) chain.
Ductile iron units (shall be/shall not be) Babbitt "Hammer-blow" configuration.
Chainwheel operators (shall be/shall not be) Safety Wheel
configuration.
*Registered
trademark for fluoropolymer resins, films and fibers made by Du
Pont. |
